Title:
CONTROL DEVICE FOR IN-CYLINDER INJECTION TYPE SPARK IGNITION INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2008/111392
Kind Code:
A1
Abstract:
A control device (1A) has air density confirmation means for confirming the density of
air in a cylinder (57) into which fuel (FE) is injected, and also has fuel spray control
means that, based on the air density at the time of fuel injection, controls at
least either the diameter of particles of the sprayed fuel (FE) or the number of
times of spraying. Because the fuel spray control means controls at least either
the diameter of particles of sprayed fuel or the number of times of spraying with
the control based on the air density in a cylinder at the time of the fuel injection, a
swirl flow occurring when the fuel is injected can be reliably assisted and reinforced even
if the air density in the cylinder changes depending on operation of the internal combustion
engine.
Inventors:
ASHIZAWA TAKESHI (JP)
Application Number:
PCT/JP2008/053338
Publication Date:
September 18, 2008
Filing Date:
February 20, 2008
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
ASHIZAWA TAKESHI (JP)
ASHIZAWA TAKESHI (JP)
International Classes:
F02B23/10; F02D41/02; F02D41/04; F02D41/34; F02M61/18
Foreign References:
| JP2003201939A | 2003-07-18 | |||
| JP2005248857A | 2005-09-15 | |||
| JP2006329158A | 2006-12-07 | |||
| JP2002130025A | 2002-05-09 | |||
| JP2001289097A | 2001-10-19 | |||
| JPS63179143A | 1988-07-23 |
Attorney, Agent or Firm:
KATAYAMA, Shuhei (6-1 Kyobashi 1-chom, Chuo-ku Tokyo 31, JP)
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